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It has been reported that high strength steel sheet cannot improve fatigue strength of components with a spot weld. The purpose of this study is to discuss the dominant factors on the fatigue strength of spot weld in order to clarify the reasons. A new fatigue testing technique is developed for a small specimen with a total length of less than 3 mm, and the local fatigue strength of heat‐affected...
This paper proposes a super-compact dual-band Wilkinson power divider composed of two multi-layered (ML) composite right/left-handed (CRLH) transmission lines (TL). Theoretical analysis based on the finite element method shows that the divider with dimensions of 7.6 × 5.0 × 2.85 mm3 has two operation bands from 3.7 GHz to 5.1 GHz in a left-handed branch and from 7.2 GHz to 8.0 GHz in a right-handed...
This paper studies multi-layered composite right-/left-handed transmission lines (ML CRLH TL). To realize wideband response from left-handed passband to right-hand passband without band gaps and other undesired parasitic resonances, a balanced ML CRLH TL with defected parallel plates is newly proposed and demonstrated theoretically by using FEM-based EM simulator. A wide passband from 2.0 GHz to 9...
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